Re: [PATCH v2 1/5] dt-bindings: sram: sunxi-sram: Add A523 compatible

Yixun Lan
2025-04-28T12:22:08Z

Hi Krzysztof,

On 09:21 Mon 28 Apr , Krzysztof Kozlowski wrote:
> On Thu, Apr 24, 2025 at 06:08:39PM GMT, Yixun Lan wrote:
> > The Allwinner A523 family of SoCs have their "system control" registers
> > compatible to the A64 SoC, so add the new SoC specific compatible string.
> >
> > Reviewed-by: Andre Przywara <andre.przywara@arm.com>
> > Signed-off-by: Yixun Lan <dlan@gentoo.org>
> > ---
> > .../devicetree/bindings/sram/allwinner,sun4i-a10-system-control.yaml | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/Documentation/devicetree/bindings/sram/allwinner,sun4i-a10-system-control.yaml b/Documentation/devicetree/bindings/sram/allwinner,sun4i-a10-system-control.yaml
> > index a7236f7db4ec34d44c4e2268f76281ef8ed83189..e7f7cf72719ea884d48fff69620467ff2834913b 100644
> > --- a/Documentation/devicetree/bindings/sram/allwinner,sun4i-a10-system-control.yaml
> > +++ b/Documentation/devicetree/bindings/sram/allwinner,sun4i-a10-system-control.yaml
> > @@ -50,6 +50,7 @@ properties:
> > - enum:
> > - allwinner,sun50i-a100-system-control
> > - allwinner,sun50i-h6-system-control
> > + - allwinner,sun55i-a523-system-control
> > - const: allwinner,sun50i-a64-system-control
>
> No update for the children (sram)?
>
No, I don't think there is sub node for sram
From address map of A527, there is total 4KB size space of
this section which unlikely has sram available.

but I do see some BROM/SRAM space from 0x0000 0000 - 0x0006 3FFF ..
(which should not be relavant to this patch series..)

--
Yixun Lan (dlan)